Triple-nibbed ink marker



FIG. 1 is a front elevational view of a triple-nibbed ink marker showing my new design, the rear view being a mirror image thereof;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a perspective view on an enlarged scale; and,

FIG. 6 is a perspective view of FIG. 5 with a cap member removed for convenience of illustration. 

The ornamental design for a triple-nibbed ink marker, as shown and described. 